diff --git a/lib/bcoin.js b/lib/bcoin.js
index dc8ad7ac..55951f69 100644
--- a/lib/bcoin.js
+++ b/lib/bcoin.js
@@ -42,7 +42,7 @@ if (!bcoin.isBrowser) {
   try {
     bcoin.secp256k1 = require('secp' + '256k1');
   } catch (e) {
-    utils.debug('Warning secp256k1 not found.'
+    utils.debug('Warning: secp256k1 not found.'
       + ' Full block validation will be slow.');
   }
 } else {